Seiko Cal. 4597 - 743

The Seiko 4597-743 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-460b0b598d34]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1971

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